System setup options..................................................................................................................................................... 160
Updating the BIOS...........................................................................................................................................................172
Updating the BIOS in Windows.............................................................................................................................. 172
Updating the BIOS in Linux and Ubuntu...............................................................................................................172
Updating the BIOS using the USB drive in Windows........................................................................................ 172
Updating the BIOS from the F12 One-Time boot menu................................................................................... 173
System and setup password......................................................................................................................................... 173
Assigning a System Setup password.....................................................................................................................174
Deleting or changing an existing system setup password............................................................................... 174
Clearing CMOS settings.................................................................................................................................................175
Clearing BIOS (System Setup) and System passwords......................................................................................... 175
Chapter 10: Troubleshooting...................................................................................................... 176
Dell SupportAssist Pre-boot System Performance Check diagnostics.............................................................. 176
Running the SupportAssist Pre-Boot System Performance Check.............................................................. 176
Power-Supply Unit Built-in Self-Test ........................................................................................................................ 176
System-diagnostic lights................................................................................................................................................176
Recovering the operating system................................................................................................................................179
Real Time Clock—RTC reset........................................................................................................................................ 179
Backup media and recovery options........................................................................................................................... 180
Wi-Fi power cycle............................................................................................................................................................180
Chapter 11: Getting help and contacting Dell.............................................................................. 181
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